Note 17 - Income Taxes Tax Credit Carryforwards (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Tax Credit Carryforward [Line Items]
Federal capital loss carryforward	$ 344,000,000	$ 151,000,000
Undistributed foreign earnings	11,900,000,000
Tax savings	439,000,000	697,000,000
Increase in diluted earnings per share, tax benefits	$ 0.33	$ 0.53
Federal Tax Credit Carryforward [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforward	4,000,000
State Tax Credit Carryforward [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforward	$ 19,000,000